Attachment_2_-_A_-_HVAC_Controls_Replacement_Drawings.pdf

These are detailed HVAC system control replacement drawings for the Bureau of Land Management facility located in Salem, Marion County, Oregon. The 18-page technical drawing set comprehensively documents the existing and proposed HVAC system modifications, including floor-by-floor ceiling demolition plans, HVAC plans for the first, second, and third floors, penthouse and roof plans, existing air handling unit configurations, exhaust fan schedules, control schematics, and piping diagrams. Key technical details include specifications for air handling units (AHU-1, AHU-2, AHU-3), condensing units, boilers, pumps, terminal units, and control systems across multiple building levels. The drawings provide intricate technical guidance for replacing and upgrading the facility's HVAC controls, with precise measurements, equipment locations, ductwork routing, and system interconnections detailed throughout the comprehensive engineering documentation.